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y separate from the bed or frame) for supporting some of the principal working parts of a machine; as:

"Come, love and health to all." Shak. Bill of health. See under Bill. -- Health lift, a machine for exercise, so arranged that a person lifts an increasing weight, or moves a spring of increasing tension, in such a manner that most of the muscles of the body are brought into gradual action; -- also called lifting mac…

hreads of warps into sets, as they are wound upon the reel from the bobbins, in a warping machine.

A form of dredging machine. Knight. Hedgehog caterpillar (Zoöl.), the hairy larvæ of several species of bombycid moths, as of the Isabella moth. It curls up like a hedgehog when disturbed. See Woolly bear, and Isabella moth. -- Hedgehog fish (Zoöl.), any spinose plectognath fish, esp. of the genus Diodon; the porcupin…

An instrument or machine for showing when the sun arrived at the tropics and equinoctial line.

An attachment to a sewing machine, for turning under the edge of a piece of fabric, preparatory to stitching it down.

shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden box with its trough through which grain passes into a mill by joining or shaking, or a funnel through which fuel passes into a furnace, or coal, etc., into a car.

ontained in a plane of the horizon; as, horizontal distance. Horizontal drill, a drilling machine having a horizontal drill spindle. -- Horizontal engine, one the piston of which works horizontally. -- Horizontal fire (Mil.), the fire of ordnance and small arms at point-blank range or at low angles of elevation. --…

A unit of power, used in stating the power required to drive machinery, and in estimating the capabilities of animals or steam engines and other prime movers for doing work. It is the power required for the performance of work at the rate of 33,000 English units of work per minute; hence, it is the power that must be e…

One who, or that which, hulls; especially, an agricultural machine for removing the hulls from grain; a hulling machine.

The confused noise of a crowd or of machinery, etc., heard at a distance; as, the hum of industry. But 'midst the crowd, the hum, the shock of men. Byron.

One who, or a machine which, hummels.

, an hydraulic clock, crane, or dock. Hydraulic accumulator, an accumulator for hydraulic machinery of any kind. See Accumulator, 2. -- Hydraulic brake, a cataract. See Cataract, 3. -- Hydraulic cement, a cement or mortar made of hydraulic lime, which will harden under water. -- Hydraulic elevator, a lift operated b…

of fluids in motion, especially of water, its action in rivers and canals, the works and machinery for conducting or raising it, its use as a prime mover, and the like.

tion of electricity by means of a battery in which water or steam is used. Hydro-electric machine (Physics), an apparatus invented by Sir William Armstrong of England for generating electricity by the escape of high-pressure steam from a series of jets connected with a strong boiler, in which the steam is produced.…

A machine for throwing water by hand power, as a garden engine, a fire extinguisher, etc.

the law of the equality of pressure of fluids in all directions. -- Hydrostatic press, a machine in which great force, with slow motion, is communicated to a large plunger by means of water forced into the cylinder in which it moves, by a forcing pump of small diameter, to which the power is applied, the principle inv…

en tea. Hyson skin, the light and inferior leaves separated from the hyson by a winnowing machine. M'Culloch.

hat of e in term, as in thirst. (b) That of e in mete (in words of foreign origin), as in machine, pique, regime. (c) That of consonant y (in many words in which it precedes another vowel), as in bunion, million, filial, Christian, etc. It enters into several digraphs, as in fail, field, seize, feign. friend; and with…

n ice belt. Kane. -- Ice house, a close-covered pit or building for storing ice. -- Ice machine (Physics), a machine for making ice artificially, as by the production of a low temperature through the sudden expansion of a gas or vapor, or the rapid evaporation of a volatile liquid. -- Ice master. See Ice pilot (belo…